Question: Which religious book is represented in Melchizedek's work?
Paraphrase: Which devout book is spoken to in Melchizedek's work?
SPARQL (Wikidata):  select distinct ?obj where { wd:Q219395 wdt:P1441 ?obj . ?obj wdt:P31 wd:Q179461 } 
Answer: Epistle to the Hebrews, Psalms